Yeah sorry about that. Lots of dumb little things on my part. I have it working now.
I just heard DMR audio. On a Pi3.. And it sounded good!
Linux op25 4.9.28-v7+ #998 SMP Mon May 15 16:55:39 BST 2017 arm71 GNU/Linux
ppm set to 2 for me (see json file below)
Code: pi@op25:~/op25/op25/gr-op25_repeater/apps $ python multi_rx.py -c cfg.json -v 9
Audio: Code: nc -kluvw 1 127.0.0.1 1 56122 | aplay -c1 -f S16_LE -r 8000
Code: { "channels": [ { "demod_type": "fsk4", "destination": "udp://127.0.0.1:56122", "excess_bw": 0.2, "filter_type": "rrc", "frequency": 442831250, "if_rate": 24000, "name": "dmr", "plot": "symbol", "symbol_rate": 4800 } ], "devices": [ { "args": "rtl:0", "frequency": 442831250, "gains": "lna:49", "name": "rtl0", "offset": 0, "ppm": 2, "rate": 1000000, "tunable": false } ] }